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computer history


Invented Pascaline, a mechanical calculating device in 1642 Blaise Pascal 1623-1662
Invented Stepped Reckoner in 1670 Gottfried Wilhelm von Leibniz 1646-1716
Invented Analytical Engine- calculating machine in 1842 Charles Babbage 1792-1871
Invented tabulating machine in 1890 Herman Hollerith1860-1929
Invented Atanasoff-Berry Computer in 1939 John Atanasoff 1903-1995 Clifford Berry 1918-1963
Invented the first large-scale automatic digital computer, considered to be the 1st universal calculator Mark 1-1944
Invented ENIAC(Electronic Numerical Intergation and Calculator) in 1946 John Mauchly 1907-1980 J. Presper Eckert 1919-1995
Invented the Turing Machine in the late 30's and 40's Alan Turing 1912-1954
Invented EDVAC( Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947 Jon von Neumann 1903-1957
Invented Transistor in 1947 William Shockley,John Bardeen, and Walter Brittain
Invented COBOL( Common Business Oriented Language) Grace Murray Hopper 1906-1992
Invented 1st hand held calculator and integrated Circuit in 1958 Jack Kilby 1923-2005
Founder of Microsoft and startes Microsoft company in 1975 with Paul Allen William Gates III October 28, 1951
Co-founder of Microsoft Corporation Paul Allen Jan. 21, 1953
Invented Adobe Photoshop in 1988 Thomas Knoll John Knoll
Created by: dorcyann